The lateral sacral arteries are among the arteries of the lower back. They have spinal branches, which supply blood to the sacral nerve rootlets, adjacent muscles, meninges, and sacrum. These arteries ...

A network of intersecting nerves is referred to as a nerve plexus. Nerves that serve the same part of the body merge into one large nerve or group of nerves via a plexus. The sacral plexus provides ...